How Your Bones Change With Exercise
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Summary
运动对骨骼的影响是一个重要话题。骨骼是动态的组织,会根据施加的压力不断变化。例如,宇航员在失重环境中骨密度减少了20%。运动不仅能增加骨密度,还能改变骨的形状和内部结构。骨组织由有机和无机物质组成,前者提供抗拉强度,后者则提供抗压强度。有效的锻炼应包括施加压缩和拉伸力的活动,如跑步、跳跃和阻力训练。坚持锻炼有助于维持和增加骨密度,促进骨骼健康。
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